Home lockouts, rekeying, and secure installations
Fast professional solutions for your home's locks and security. From emergency lockouts to complete rekeying, we handle every residential need with reliability.
Emergency lockouts
Locked out of your home? We respond quickly to get you back inside safely and damage-free.
Lock rekeying
Change your locks without replacing them. Perfect after moving or when you need new keys without the cost.
New lock installation
Upgrade to modern, secure locks. We install deadbolts, smart locks, and high-security systems for your peace of mind.
Master key systems
Single key access to multiple locks throughout your home. Convenient security tailored to your household.
Lock repair and maintenance
Worn or broken locks fixed fast. Regular maintenance keeps your locks working smoothly and securely.
Key duplication
Need spare keys? Quick, accurate duplication for all lock types in your Medford home.
Master key systems, access control, and emergency repairs
Keymark Locksmith protects Boston-area businesses with comprehensive commercial locksmith services. We handle master key systems, access control upgrades, and urgent emergency repairs.
Master key systems
Unified key control for multi-door facilities. One key opens designated areas, simplifying access management for your team.
Emergency lock repairs
Broken locks, jammed doors, and hardware failures fixed fast. We respond 24/7 to keep your business secure and operational.
High-security locks
Grade-1 locks and anti-pick hardware for sensitive areas. Upgraded security for server rooms, vaults, and executive offices.
Exit device service
Push bars, crash bars, and panic hardware installed and maintained. Code-compliant emergency exits that work reliably.
Locked out of your car? We get you back in.
Fast automotive locksmith solutions for car lockouts, broken keys, ignition problems, and more. Same-day service across the Greater Boston area.
Car lockout
Locked out of your vehicle? We unlock most cars in minutes without damage.
Key replacement
Lost or broken car keys? We cut and program new keys on-site, fast and affordable.
Ignition repair
Worn or stuck ignition? We repair or replace damaged ignition cylinders without hassle.
Transponder keys
Need a new transponder or smart key? We program and test all types quickly.
Real results from Greater Boston customers
See why residential, commercial, and automotive customers trust Keymark Locksmith for fast, dependable locksmith service.
Locked out of my car at 11 PM. Keymark Locksmith answered immediately and arrived in 20 minutes. Professional, fast, and fair pricing. Exactly what I needed.
Michael Torres
Automotive customer, Boston
We needed rekeying done on our office in Medford. The work was thorough, completed on schedule, and didn't disrupt business. Highly reliable.
Jennifer Walsh
Office manager, Greater Boston
Emergency lockout on a weekend. They picked up the phone, arrived within an hour, and got us back inside safely. Great service from Keymark Locksmith.
David Chen
Homeowner, Medford
Master key system installation for our commercial building went smoothly. The technician explained everything clearly and finished on time. Professional work.
Sarah Mitchell
Property owner, Boston area
Lock replacement at our home. Fast appointment, quality work, honest pricing upfront. We'd call them again without hesitation.
Robert Johnson
Homeowner, Greater Boston
Get your lock issue handled fast.
Call +16172128043 now for same-day service in greater Boston and the Boston area. Fast response, honest pricing, 24/7 availability.